| Acronym | Meaning |
| EC | European Community |
| ISWS | Illinois State Water Survey |
| APA | Administrative Procedures Act |
| FAPS | Fate Of Atmospheric Pollutants Study |
| EUCREX | European Cirrus Research Experimetn |
| FOS | Flight Operations Segment |
| PIPOR | Programme Of International Polar Oceans Research |
| DOS | Department Of Space |
| GAMP | Global Atmospheric Measurements Program |
| NTSC | National Television System Committee |